| A34.4904-C USB Digital Microscope |
| Hardware Configuration |
| Image Sensor | Colorful |
| Expose Mode | Rolling Shutter |
| Maximum Resolution | 2592 x 1944 (5,038,848 pixels) |
| Sensor Optical Format | 1/2.5“ (5.70mm(H) x 4.28mm(V), Diagonal 7.13mm) |
| Pixel Size | 2.2μm*2.2μm |
| Dynamic Range | 70.1dB |
| ADC | 12-bit, 8-Bit R.G.B to PC |
| SNR(Signal Noise Ratio) | 38.1dB |
| Spectral Characteristics | 380-650nm |
| Binning Modes | 1 x 1, 2 x 2 |
| Exposure Capability | Real-time auto, Single auto, Manual Adjustment |
| White Balance | Real-time auto, Single auto, Manual Adjustment |
| Software Interface | DirectShow |
| Preview Modes | 10FPS@2592x1944 |
| 15FPS@1920x1080,1600x1200 |
| 40FPS@1280x960, 1280x720, 1024x768, 800x600, 640x480 |
| Record Format | Snapshot |
| Picture Format:JPG,BMP,PNG,TIFF,PDF |
| Resolution:2592x1944, 1920x1080, 1600x1200, 1280x960, 1280x720,
1024x768, 800x600, 640x480 |
| Record |
| Video Format:MJPG format AVI file |
| Resolution:1920x1080, 1600x1200, 1280x960, 1280x720, 1024x768,
800x600, 640x480 |
| Optical Parameters |
| Lens Optical Magnification | 0.28X~2X |
| Lens Optical Resolution(um) | 16.78 (When in 0.7) |
| 11.18 (When in 1) |
| 8.39 (When in 2) |
| 6.10 (When in 3) |
| 4.79 (When in 4) |
| 4.79 (When in 5) |
| Working distance(mm) | 88.5 |
| Depth of field(mm) | 5 (When in 0.7) |
| 3.2 (When in 1) |
| 0.9 (When in 2) |
| 0.47 (When in 3) |
| 0.34 (When in 4) |
| 0.27 (When in 5) |
| Observation range (mm) | 20.4 x 15.3~2.86 x 2.15 Continuous Adjustment (L x D) |
| Comprehensive resolution (when display on 21 inch 16:9 screen) | 17～121.5 Continuous zoom,68～486 Continuous zoom(this data is based
on preview resolution is 640x480 with decompression zoom and the
picture is display to adapt to screen) | 17.0 (When in 0.7) |
| 23.0 (When in 1) |
| 47.1 (When in 2) |
| 72.2 (When in 3) |
| 96.5 (When in 4) |
| 121.5(When in 5) |
| Focusing hand wheel height range(mm) | 230 |
| Focusing bracket adjustment range(mm) | 50 |
| Software Environment |
| Operation System | Microsoft®Windows®XP/7/8/8.1/10(32&64bit) |
| Computer Configuration | CPU: Equal Or More Than The Second Generation Intel Core 2.8GHz |
| Memory: 2G Or More |
| USB Port: USB 2.0 High Speed Port Or Compatible Port |
| Displayer: Suggest 17 Inches Or Larger |
| Operating Environment |
| Operating temperature | 0℃~40℃ |
| Storage temperature | -20℃~60℃ |
| Operating Humidity | 30~60%RH |
| Storage Humidity | 10~80%RH |
| Charge Interface | Direct-current 5V. Power Supply By USB Interface |
